Numerators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial v_n(x), used to approximate x->sin(Pi*x)/Pi.
A144859
Numerators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial v_n(x), used to approximate x->sin(Pi*x)/Pi.
Terms
- a(0) =0a(1) =1a(2) =-1a(3) =1a(4) =-10a(5) =3a(6) =1a(7) =-140a(8) =21a(9) =-10a(10) =1a(11) =-3360a(12) =1638a(13) =-360a(14) =35a(15) =1a(16) =-25872a(17) =63756a(18) =-2970a(19) =385a(20) =-126a(21) =1a(22) =-7303296a(23) =720720a(24) =-845988a(25) =23023a(26) =-9828a(27) =462a(28) =1a(29) =-80995200
External references
- oeis: A144859